<div nz-row [nzGutter]="[16, 20]">
  <div nz-col class="gutter-row" [nzSpan]="6" [style]="{'text-align':'center'}"><div class="inner-box">col-6</div></div>
  <div nz-col class="gutter-row" [nzSpan]="6" style="text-align: center;"><div class="inner-box">col-6</div></div>
  <div nz-col class="gutter-row" [nzSpan]="6" [ngStyle]="{'text-align':'center'}"><div class="inner-box">col-6</div></div>
  <div nz-col class="gutter-row" [nzSpan]="6"><div class="inner-box">col-6</div></div>

  <div nz-col class="gutter-row" [nzSpan]="6"><div class="inner-box">col-6</div></div>
  <div nz-col class="gutter-row" [nzSpan]="6"><div class="inner-box">col-6</div></div>
  <div nz-col class="gutter-row" [nzSpan]="6"><div class="inner-box">col-6</div></div>
  <div nz-col class="gutter-row" [nzSpan]="6"><div class="inner-box">col-6</div></div>

</div>
<br>


<button nz-button nzType="primary" (click)="getData()">请求后台</button>
<hr>

<form nz-form nzlayout="'inline'" [formGroup]="validateForm">
    <nz-form-item>
      <nz-form-control nzErrorTip="input your username">
          <nz-input-group nzprefixicon="user">
              <input formControlName="userName" nz-input/>
          </nz-input-group>
      </nz-form-control>
    </nz-form-item>
</form>
